1
(
1
)
2
(
2
)
3
(
3,
4
)
4
(
5
)
5
(
6,
7
)
6
(
8
)
7
(
9
)
8
(
10
)
9
(
11
)
10
(
12
)
11
(
13
)
12
(
14
)
13
(
15,
20,
25
)
14
(
16,
19
)
15
(
17,
21
)
16
(
18
)
17
(
22,
27
)
18
(
23,
26
)
19
(
24
)
20
(
28
)
21
(
29
)
22
(
30
)
23
(
31
)
24
(
32
)
25
(
33
)
26
(
34
)
27
(
35
)
28
(
36
)